Finding the Third Proportional to 105,539 and 215,384
Calculator
Solution
The third proportional to 105,539 and 215,384 is: 439,555.69
Step by Step Solution
- Step 1: Write the proportion equation
105,539 : 215,384 = 215,384 : x - Step 2: Convert to fraction form
105,539/215,384 = 215,384/x - Step 3: Cross multiply
105,539x = 215,384 × 215,384 - Step 4: Simplify right side
105,539x = 46,390,267,456 - Step 5: Solve for x
x = 46,390,267,456/105,539 - Step 6: Final answer
x = 439,555.69
Related Problems
Find third proportional to 52,769.50 and 107,692
Half scale
Find third proportional to 211,078 and 430,768
Double scale
Find third proportional to 105,541 and 215,388
Similar ratio
Find third proportional to 158,308.50 and 323,076
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.